I let them live their life their way as well. The unfortunate part for me, as a Christian, is that they are CLAIMING to be of the same faith, but as Pauly said, they leave parts of the Bible out. If the Bible is the book we are to live by, as Christianity believes, you cannot pick and choose. There are several issues that keep coming up to me where there is conflict between the Old and New Testaments that I've been trying to understand, and let me tell you, it ain't easy, or cut and dry!